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A grayish, brownish, or greenish amphibole mineral, (Mg,Fe)7Si8O22(OH)2, having a fibrous form that is a variety of asbestos.
[German Anthophyllit : New Latin anthophyllus, mother of cloves (the fruit of the clove tree, formerly much used as an aromatic or candied), clove tree (from Greek anthos, flower + phullon, leaf; see bhel- in Indo-European roots) + German -it, -ite (the mineral being so named in 1801 by Danish naturalist Heinrich Christian Friedrich Schumacher (1757-1830) in reference to the clove-brown color of his specimen).]
(Minerals) a black or greenish-black mineral from the hornblende group, found in igneous and metamorphic rocks
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|Noun||1.||anthophyllite - a dark brown mineral of the amphibole group; magnesium iron silicate|
amphibole - a mineral or mineral variety belonging to the amphibole group
amphibole group - a group of minerals with similar crystal structures containing a silicate chain and combinations of chiefly sodium and calcium and magnesium and iron and aluminum